Home / 7,675.60-11,513.40-5,330.65

Finding the Fourth Proportional to 7,675.60, 11,513.40 and 5,330.65

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Solution

The fourth proportional to 7,675.60, 11,513.40 and 5,330.65 is: 7,995.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.60 : 11,513.40 = 5,330.65 : x
  2. Step 2: Convert to fraction form
    7,675.60/11,513.40 = 5,330.65/x
  3. Step 3: Cross multiply
    7,675.60x = 11,513.40 × 5,330.65
  4. Step 4: Simplify right side
    7,675.60x = 61,373,905.71
  5. Step 5: Solve for x
    x = 61,373,905.71/7,675.60
  6. Step 6: Final answer
    x = 7,995.98

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.